(19)

(11)

EP 2 021 817 A2

(12)

(88) Date of publication A3: 10.01.2008 (43) Date of publication: 11.02.2009 Bulletin 2009/07 (21) Application number: 07735741.6 (22) Date of filing: 02.05.2007

(51) International Patent Classification (IPC):  G01S 1/00(2006.01) (86) International application number: PCT/IB2007/051641 (87) International publication number: WO 2007/129263 (15.11.2007 Gazette 2007/46)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 08.05.2006 EP 06113638 (71) Applicant: NXP B.V. 5656 AG Eindhoven (NL)	(72) Inventors: DOOLEY, Saul R. Redhill Surrey RH1 5HA (GB) MARSHALL, Christopher B. Redhill Surrey RH1 5HA (GB) YOUNG, Bryan D. Redhill Surrey RH1 5HA (GB) YULE, Andrew T. Redhill Surrey RH1 5HA (GB) (74) Representative: von Laue, Hanns-Ulrich  NXP Semiconductors IP-Department Stresemannallee 101 22529 Hamburg 22529 Hamburg (DE)